Overview
GEM tracks 8 units or phases at this site (operating 408 MW, planned 288 MW, shelved / mothballed 222 MW, retired 204 MW).
Technology: gas turbine, steam turbine, subcritical; fuel: natural gas, natural gas, fossil liquids: fuel oil, coal: subbituminous.
Ownership: Arizona Electric Power Cooperative Inc (parent company: Arkansas Electric Cooperative Corp).
Why it matters
- Gas-fired plants — especially combined-cycle units — provide flexible output that can ramp quickly to balance demand and variable renewables, so their availability is closely tied to gas supply and prices.
Units and phases
| Unit / phase | Capacity | Status | Technology | Start | Retired |
|---|---|---|---|---|---|
| GT3 | 79 MW | Mothballed | gas turbine | 1975 | |
| GT4 | 61 MW | Mothballed | gas turbine | 2002 | |
| GT7/8 | 84 MW | Pre-construction | gas turbine | 2027 | |
| ST1 | 82 MW | Mothballed | steam turbine | 1964 | |
| Unit 2, timepoint 1 | 204 MW | Retired | subcritical | 1979 | 2018 |
| Unit 2, timepoint 2 | 204 MW | steam turbine | 2018 | ||
| Unit 3, timepoint 1 | 204 MW | subcritical | 1979 | 2027 | |
| Unit 3, timepoint 2 | 204 MW | Announced | steam turbine | 2027 |
Location
Frequently asked questions
What is the capacity of Apache Generating Station?
Apache Generating Station has a capacity of 408 MW according to the latest Global Energy Monitor data.
Who owns Apache Generating Station?
Arizona Electric Power Cooperative Inc — parent company: Arkansas Electric Cooperative Corp.
Where is Apache Generating Station located?
It is located in Arizona, United States. Approximate coordinates: 32.0619, -109.8947.
When did Apache Generating Station start operating?
Start year: 1979. Current status: Operating.